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April 25, 2014

Homework Help: physics

Posted by julia on Friday, October 8, 2010 at 12:31am.

A man pulls a crate of mass 61.0 kg across a level floor. He pulls with a force of 178.0 N at an angle of 20.0� above the horizontal. When the crate is moving, the frictional force between the floor and the crate has a magnitude of 124.0 N.


If the crate starts from rest, how fast will it be moving after the man has pulled it a distance of 2.90 m?

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